C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
31/26
C09K 8/467 (2006.01) E21B 43/22 (2006.01)
Patent
CA 1095227
TITLE: ABANDONED BOREHOLE COMPOSITIONS Abstract: Compositions for boreholes which are to become abandoned and to a process for using the same wherein the compositions contain a mixture of about 89.5% to about 99.4% by weight clay gellant, about 0.5% to about 10% by weight water-soluble alkali metal salt, and about 0.1% to about 3.0% by weight salt of carboxymethylcellulose. -1-
302173
Kirby Eades Gale Baker
Nl Industries Inc.
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